CN109455474A - A kind of high abrasion intermediate channel - Google Patents
A kind of high abrasion intermediate channel Download PDFInfo
- Publication number
- CN109455474A CN109455474A CN201811386547.4A CN201811386547A CN109455474A CN 109455474 A CN109455474 A CN 109455474A CN 201811386547 A CN201811386547 A CN 201811386547A CN 109455474 A CN109455474 A CN 109455474A
- Authority
- CN
- China
- Prior art keywords
- wearing layer
- middle plate
- intermediate channel
- baffle
- shovel board
- Prior art date
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- 238000005299 abrasion Methods 0.000 title claims abstract description 34
- 230000007704 transition Effects 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 24
- 229910052802 copper Inorganic materials 0.000 claims description 24
- 239000010949 copper Substances 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 9
- 239000011707 mineral Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229910003470 tongbaite Inorganic materials 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 6
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 6
- 229910000734 martensite Inorganic materials 0.000 claims description 5
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 19
- 239000002245 particle Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 230000002708 enhancing effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910000617 Mangalloy Inorganic materials 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/28—Troughs, channels, or conduits
Abstract
A kind of high abrasion intermediate channel, including baffle, middle plate, shovel board ledge, bottom plate, described middle plate one end is provided with baffle, the middle plate other end is provided with shovel board ledge, described bottom plate one end is provided with baffle, the bottom plate other end is provided with shovel board ledge, and the middle plate is arranged in parallel in the upper end of bottom plate；The easy generation eroded area of intermediate channel is provided with wearing layer, the first wearing layer, the second wearing layer, the eroded area that is easier to of intermediate channel is provided with third wearing layer, transition wearing layer, and intermediate channel uses the consistent baffle of wear-resisting property, shovel board ledge, middle plate, bottom plate, form the intermediate channel with high-wear resistance, solve intermediate channel wearability and service life unmatched problem, maintenance frequency and the time of intermediate channel can be effectively reduced, reduce waste of material, the maintenance cost of intermediate channel is reduced, intermediate channel service efficiency is improved.
Description
Technical field
The present invention relates to mining intermediate channel technical field more particularly to a kind of high abrasion intermediate channels.
Background technique
According to the mine flight conveyer intermediate channel of current cast-weld construction, wherein baffle, shovel board ledge are using casting
Structure, chemical component are mostly ZG30SiMn, and middle plate and bottom plate are all martensite wear resistant steels, as in, abrasion-resistant stee used in bottom plate
The baffle of plate and cast structure, shovel board ledge wearability and service life when underground coal mine uses mismatch, i.e., in intermediate channel
In lifetime, often in plate, bottom plate elder generation wear-out failure and baffle, shovel board ledge be intact or baffle, shovel board slot
Help material property bad, to cause that the boss or concave station of baffle, plate, bottom plate are first in the boss of shovel board ledge or concave station ratio
It wears and fails, at this moment just need to repair baffle, shovel board ledge or middle plate or bottom plate, which kind of situation no matter belonged to, all can
Cause unnecessary waste and loss.
Summary of the invention
In view of this, in view of the above deficiencies, it is necessary to propose a kind of high abrasion intermediate channel.
A kind of high abrasion intermediate channel, including baffle, middle plate, shovel board ledge, bottom plate, described middle plate one end are provided with gear
Board slot side, the middle plate other end are provided with shovel board ledge, and described bottom plate one end is provided with baffle, the bottom plate other end
It is provided with shovel board ledge, the middle plate is arranged in parallel in the upper end of bottom plate, and the baffle, shovel board ledge are cast structure,
The baffle, shovel board ledge and middle plate, bottom plate are made up of the intermediate channel of cast-weld construction, the baffle setting group weldering
There are baffle plush copper end, baffle concave head end, baffle plush copper end outer surface is provided with wearing layer, the baffle
Ledge concave head end inner surface is provided with wearing layer, and the shovel board ledge is provided with shovel board ledge plush copper end, shovel board ledge concave head end,
The shovel board ledge plush copper end outer surface is provided with wearing layer, and shovel board ledge concave head end inner surface is provided with wearing layer, institute
It states middle plate and is provided with the first wearing layer, the second wearing layer, third wearing layer, the backplate surface is provided with wearing layer.
Preferably, the middle plate includes middle plate boss end, middle plate delivery end, middle plate concave station end, and the middle plate boss end is set
Middle plate is placed in along one end of mineral conveying direction, for the middle plate concave station end of another intermediate channel to be arranged, the middle plate concave station end is set
Middle plate is placed in along the other end of mineral conveying direction, for the middle plate boss end of another intermediate channel to be arranged, so that in intermediate channel
Plate is connected with the middle plate of another intermediate channel, and the middle plate delivery end is set between middle plate boss end and middle plate concave station end.
Preferably, the width at the middle plate concave station end be greater than middle plate boss end width so that middle plate concave station end with it is another
Gap is formed after the middle plate boss end connection of intermediate channel.
Preferably, first wearing layer is set to the upper surface, lower surface and side at middle plate boss end, and described second is resistance to
Mill layer is set to the upper surface, lower surface and side at middle plate concave station end, and the third wearing layer is set to the upper of middle plate delivery end
Surface.
Preferably, described and the first wearing layer width is 10-30mm；The width of second wearing layer is 10-30mm.
Preferably, the wearing layer, the first wearing layer, the second wearing layer with a thickness of 3-6mm, the third wearing layer
With a thickness of 1-3mm.
Preferably, it on middle plate upper surface, is also set between first wearing layer or the second wearing layer and third wearing layer
It is equipped with transition wearing layer, the transition wearing layer is arranged in cambered surface, the height and the first wearing layer of transition wearing layer one end
Or second wearing layer height it is identical, the height of the transition wearing layer other end is identical as the height of third wearing layer so that
First wearing layer or the second wearing layer are mutually set to complete, smooth level with third wearing layer.
Preferably, the baffle, shovel board ledge are made of modified ZG30SiMn, and the modified ZG30SiMn is
Molybdenum element and niobium element are added on the basis of original ZG30SiMn, the content of molybdenum element is 0.2~0.4%, the content of niobium element
It is 0.03%~0.05%.
Preferably, the wearing layer, the first wearing layer, the second wearing layer, third wearing layer, transition wearing layer prepare material
Material is the mixture of chromium carbide, austenitic steel, martensite steel.
Preferably, the wearing layer, the first wearing layer, the second wearing layer, third wearing layer, transition wearing layer prepare material
Material can also be or mixtures thereof one of chromium carbide, niobium carbide.
Baffle, shovel board ledge and middle plate, bottom plate are made up of the intermediate channel of cast-weld construction by the present invention group weldering, are being kept off
Board slot helps plush copper end, baffle concave head end, shovel board ledge plush copper end, shovel board ledge concave head end, backplate surface spraying thicker
Wearing layer sprays the first thicker wearing layer, the second wearing layer at middle plate boss end, middle plate concave station end respectively, conveys in middle plate
End sprays relatively thin third wearing layer, and relatively thin transition is sprayed between the first wearing layer or the second wearing layer and third wearing layer
Wearing layer, wearing layer, the first wearing layer, the second wearing layer, third wearing layer, transition wearing layer have good wearability, from
And promote the wear-resisting property of intermediate channel on the whole, form the intermediate channel with high-wear resistance, at the same also make to be provided with wearing layer,
First wearing layer, the second wear-resisting layer assembly service life be provided with third wearing layer, the wear-resisting layer assembly of transition use the longevity
It orders close or identical；Baffle of the invention, shovel board ledge are made of modified ZG30SiMn material, and middle plate, bottom plate are in
Carbon high manganese steel material is made, and baffle, shovel board ledge are consistent with the wear-resisting property of middle plate, bottom plate, makes each component of intermediate channel
Service life is suitable.
By the wearing layer of above-mentioned setting, the first wearing layer, the second wearing layer, third wearing layer, transition wearing layer and
Using the consistent baffle of wear-resisting property, shovel board ledge, middle plate, bottom plate, the intermediate channel with high-wear resistance is formed, is solved
Intermediate channel wearability and service life unmatched problem, that is, solve intermediate channel baffle, shovel board ledge in use
Failure and middle plate, bottom plate be intact or the problem of the intact and middle plate of baffle, shovel board ledge, bottom plate failure, can effectively reduce
The maintenance frequency of intermediate channel and time reduce waste of material, reduce the maintenance cost of intermediate channel, improve intermediate channel service efficiency.
Detailed description of the invention
Fig. 1 is a kind of schematic elevation view of high abrasion intermediate channel.
Fig. 2 is the schematic diagram of baffle.
Fig. 3 is a kind of axis side schematic diagram of high abrasion intermediate channel.
In figure: baffle 10, baffle plush copper end 11, baffle concave head end 12, middle plate 20, the first wearing layer
21, the second wearing layer 22, third wearing layer 23, transition wearing layer 24, shovel board ledge 30, shovel board ledge plush copper end 31, shovel board slot
Help concave head end 32, bottom plate 40.
Specific embodiment
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, common for this field
For technical staff, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Referring to Fig. 1 to Fig. 3, the present invention provides a kind of high abrasion intermediate channels, including baffle 10, middle plate 20, shovel board
Ledge 30, bottom plate 40, described middle 20 one end of plate are provided with baffle 10, and middle 20 other end of plate is provided with shovel board ledge
30, described 40 one end of bottom plate is provided with baffle 10, and 40 other end of bottom plate is provided with shovel board ledge 30, the middle plate 20
It is arranged in parallel in the upper end of bottom plate 40, the baffle 10, shovel board ledge 30 are cast structure, the baffle 10, shovel
Board slot side 30 is made up of the intermediate channel of cast-weld construction with middle plate 20, bottom plate 40 group weldering, and the baffle 10 is provided with baffle
Ledge plush copper end 11, baffle concave head end 12,11 outer surface of baffle plush copper end is provided with wearing layer, for enhancing
The wear-resisting property of 11 outer surface of baffle plush copper end, 12 inner surface of baffle concave head end are provided with wearing layer, are used for
Enhance the wear-resisting property of 12 inner surface of baffle concave head end, the shovel board ledge 30 is provided with shovel board ledge plush copper end 31, shovel
Board slot helps concave head end 32, and 31 outer surface of shovel board ledge plush copper end is provided with wearing layer, for enhancing shovel board ledge plush copper end
The wear-resisting property of 31 outer surfaces, 32 inner surface of shovel board ledge concave head end is provided with wearing layer, recessed for enhancing shovel board ledge
The wear-resisting property of 32 inner surface of head end, it is wear-resisting that middle 20 surface of plate is provided with the first wearing layer 21, the second wearing layer 22, third
Layer 23, for the wear-resisting property of plate 20 in enhancing, the bottom plate 40 is provided with wearing layer, for enhancing the wearability of bottom plate 40
Can, to promote the wear-resisting property of intermediate channel on the whole.
Referring to Fig. 3, further, the middle plate 20 include middle plate boss end, middle plate delivery end, middle plate concave station end, it is described in
Plate boss end is set to middle plate 20 along one end of mineral conveying direction, described for the middle plate concave station end of another intermediate channel to be arranged
Middle plate concave station end is set to middle plate 20 along the other end of mineral conveying direction, for the middle plate boss end of another intermediate channel to be arranged,
So that the middle plate 20 of intermediate channel is connected as complete mineral conveyor surface, the middle plate conveying with the middle plate 20 of another intermediate channel
End is set between middle plate boss end and middle plate concave station end.
Referring to Fig. 3, further, the width at the middle plate concave station end is greater than the width at middle plate boss end, so that middle plate concave station
End forms gap after connecting with the middle plate boss end of another intermediate channel, coal during transportation, has coal particle and tar is heavy
Product forms buffer area into gap, buffer area between coal particle and tar centering plate concave station end and middle plate boss end into
Row lubrication, can reduce the abrasion of first wearing layer 21 at centering plate boss end, second wearing layer 22 at middle plate concave station end, in turn
The abrasion at plate boss end, middle plate concave station end in reduction, the service life at plate boss end and middle plate concave station end in raising.
Referring to Fig. 3, further, first wearing layer 21 is set to the upper surface, lower surface and side at middle plate boss end,
Second wearing layer 22 is set to the upper surface, lower surface and side at middle plate concave station end, and the third wearing layer 23 is set to
The upper surface of middle plate delivery end.
In operation process, the middle plate 20 of intermediate channel often occurs with the middle plate 20 of another intermediate channel in join domain intermediate channel
Abrasion, especially in plate boss end, middle plate concave station end the degree of wear be much larger than middle plate delivery end the degree of wear, wear it is larger
When production operation can be caused to seriously affect, therefore, it is necessary to upper surface, lower surface and the side setting the at middle plate boss end
One wearing layer 21, the wear-resisting property at plate boss end, sets in the upper surface, lower surface and side at middle plate concave station end in comprehensive promotion
The second wearing layer 22 is set, the wear-resisting property at plate concave station end in comprehensive promotion, while in the upper surface of middle plate delivery end setting the
Three wearing layers 23 are worn with plate 20 in reducing as far as possible, and make middle plate boss end, middle plate concave station end and middle plate delivery end uses the longevity
Life is consistent, with the service life that plate 20 in extension is whole.
Further, described and the first wearing layer 21 width is 10-30mm；The width of second wearing layer 22 is 10-
30mm。
The width of first wearing layer 21 width at plate boss end in is configured, and as far as possible sets the first wearing layer 21
It is placed in each surface at middle plate boss end, forms comprehensive protection, the abrasion at plate boss end in reduction；Second wearing layer 22
It is configured according to the width at middle plate concave station end, the second wearing layer 22 is made to be set to each surface at middle plate concave station end, shape as far as possible
At comprehensive protection, the abrasion at plate concave station end in reduction.
In the present embodiment, the width of the first wearing layer 21 is 10mm, be capable of the key position of centering plate boss end stress into
Row protection, to reduce the abrasion of key position；The width of second wearing layer 22 is 10mm, being capable of centering plate concave station end stress
Key position protected, to reduce the abrasion of key position；The width of first wearing layer 21 be 30mm, can centering plate it is convex
Each surface of end is protected, to reduce the abrasion on each surface；The width of second wearing layer 22 is 30mm, can
Each surface of centering plate concave station end stress is protected, to reduce the abrasion on each surface.
Further, the wearing layer, the first wearing layer 21, the second wearing layer 22 with a thickness of 3-6mm, the third is wear-resisting
Layer 23 with a thickness of 1-3mm.
Intermediate channel is in operation process, baffle plush copper end 11, baffle concave head end 12, shovel board ledge plush copper end
31, shovel board ledge concave head end 32 belongs to connecting portion, and frequent stress, to reduce abrasion, sprays thicker for eroded area easily occurs
Wearing layer；Bottom plate 40, because, to reduce abrasion, being sprayed on 40 surface of bottom plate with scraper chain Long Term Contact for eroded area easily occurs
Apply thicker wearing layer；Middle plate boss end, middle plate concave station end belong to connecting portion, frequent stress, for eroded area, spray easily occurs
Apply the first thicker wearing layer 21, the second wearing layer 22.
In operation process, middle plate delivery end directly contacts intermediate channel with mineral, often to bear Mineral pairs plate surface
Direct friction, and then 20 surface of centering plate causes to wear, to be easier to that eroded area occurs, if things go on like this, can reduce in plate 20
Relatively thin third wearing layer 23 is arranged in the upper surface of middle plate delivery end to reduce abrasion for service life, with plate 20 in extension
Service life.
Third wearing layer 23 is slower with respect to the first wearing layer 21, the second wearing layer 22, the abrasion of wearing layer, when first wear-resisting
The 21, second wearing layer 22 of layer, wearing layer generation be when largely wearing, the first wearing layer 21, the second wearing layer 22, wearing layer
Thickness is also possible to identical as the thickness of third wearing layer 23, i.e., extends the baffle for being provided with wearing layer in the same time
Plush copper end 11, baffle concave head end 12, shovel board ledge plush copper end 31, shovel board ledge concave head end 32, bottom plate 40 service life,
Extend the use longevity for being provided with the middle plate boss end of the first wearing layer 21, the middle plate concave station end for being provided with the second wearing layer 22
Life, make to be provided with the first wearing layer 21, the second wearing layer 22, wear-resisting layer assembly service life and be provided with third wearing layer 23
The service life of component is close or identical, can effectively reduce maintenance frequency and the time of intermediate channel, reduce the maintenance of intermediate channel
Cost improves service efficiency.
First wearing layer 21, the second wearing layer 22 with a thickness of 3mm, the third wearing layer 23 with a thickness of 1mm,
Difference in height is formed between first wearing layer 21 or the second wearing layer 22 and third wearing layer 23；First wearing layer 21, second
Wearing layer 22 with a thickness of 6mm, the third wearing layer 23 with a thickness of 3mm, the first wearing layer 21 or the second wearing layer 22 with
Difference in height is formed between third wearing layer 23.
Referring to Fig. 3, further, on middle 20 upper surface of plate, first wearing layer 21 or the second wearing layer 22 and third
Transition wearing layer 24 is additionally provided between wearing layer 23, the transition wearing layer 24 is arranged in cambered surface, the transition wearing layer 24
The height of one end is identical as the height of the first wearing layer 21 or the second wearing layer 22, the height of 24 other end of transition wearing layer
It is identical as the height of third wearing layer 23, so that the first wearing layer 21 or the second wearing layer 22 are arranged to 23 phase of third wearing layer
For complete, smooth level, the transition wearing layer 24 is to be easier to that eroded area occurs.
There are differences in height between first wearing layer 21 or the second wearing layer 22 and third wearing layer 23, resistance to by setting transition
Layer 24 is ground, the first wearing layer 21 or the second wearing layer 22 is seamlessly transitted with third wearing layer 23, forms complete, smooth layer
Face, since the first wearing layer 21, the opposite third wearing layer 23 of the second wearing layer 22 are higher, the wear-resisting position of third is relatively low,
Third wearing layer 23 is set to form concave surface, the concave surface is during intermediate channel transports coal, small coal particle and tar in coal
On deposition to the concave surface of third wearing layer 23, since coal particle and tar have good lubricity, coal can be greatly reduced
During transportation to the damage of third wearing layer 23, so in reducing plate delivery end abrasion, plate delivery end makes in extension
Use the service life.
The transition wearing layer 24 is arranged in cambered surface, also has the function of filtering coal particle in coal, coal is in middle plate 20
Upper to continue in transportational process, lesser coal particle is deposited to the concave surface of third wearing layer 23, and lesser coal particle is in third
It also continues bearing external force on the concave surface of wearing layer 23, deposits smaller coal particle constantly to the concave surface of third wearing layer 23,
The height of lesser coal particle deposition is gradually higher than the cambered surface height of wearing layer and is blown off, is left smaller coal particle and is retained in
In the concave surface of third wearing layer 23, the filtering to coal particle is realized, smaller coal particle has better lubricity.
Further, the baffle 10, shovel board ledge 30 are made of modified ZG30SiMn, the modified
ZG30SiMn is that molybdenum element and niobium element are added on the basis of original ZG30SiMn, and the content of molybdenum element is 0.2~0.4%, niobium
The content of element is 0.03%~0.05%.
The baffle 1010 made of modified ZG30SiMn material, shovel board ledge 3030 have stronger wearability
Can, improve the service life of baffle 10, shovel board ledge 30.
Middle plate 20 and 40 material of bottom plate are middle carbon high manganese steel wearing plate, chemical component are as follows: 0.92%~1.08%C,
7.80%~8.90%Mn, Si≤0.30%, S≤0.015%, P≤.025%, Cr≤0.0020%, 0.010% ~ 0.030%
Nb, 0.05% ~ 0.10%Ti, Ni≤0.020%；The middle plate 20 made of middle carbon high manganese steel, bottom plate 40 have good wear-resisting
Performance, and its wear-resisting property is consistent with the wear-resisting property of the baffle 10 made of modified ZG30SiMn, shovel board ledge 30,
Keep the service life of each component of intermediate channel suitable, maintenance frequency and the time of intermediate channel can be effectively reduced, reduces waste of material,
The maintenance cost of intermediate channel is reduced, intermediate channel service efficiency is improved.
Further, the wearing layer, the first wearing layer 21, the second wearing layer 22, third wearing layer 23, transition wearing layer 24
Prepare material be chromium carbide, austenitic steel, martensite steel mixture.
The method that the mixture of chromium carbide, austenitic steel, martensite steel is sprayed by electric-arc thermal spray coating or powder metallurgy
Spray to the easy generation eroded area of intermediate channel or be easier to occur eroded area, easily occur eroded area be sprayed into wearing layer,
First wearing layer 21, the second wearing layer 22 are sprayed into third wearing layer 23, transition wearing layer 24 being easier to generation eroded area,
Wearing layer, the first wearing layer 21, the second wearing layer 22, third wearing layer 23, transition wearing layer 24 are complete, smooth, and hardness reaches
To HV1600~2000, there is good anti-wear energy.
Further, the wearing layer, the first wearing layer 21, the second wearing layer 22, third wearing layer 23, transition wearing layer 24
The material for preparing can also be or mixtures thereof for one of chromium carbide, niobium carbide.
Specifically, easy generation eroded area to intermediate channel or being easier to eroded area occurs to first pass through surface heat diffusion method in advance
It is handled, makes niobium carbide that eroded area formation wearing layer, the first wearing layer 21, the second wearing layer 22 easily occur, be easier to
Eroded area occurs and forms third wearing layer 23, transition wearing layer 24, wearing layer, the first wearing layer 21, the second wearing layer 22, the
Three wearing layers 23, transition wearing layer 24 are complete, smooth, and hardness reaches HV2800 or more, have stronger anti-wear energy.
Specific implementation step:
1) baffle 10, shovel board ledge 30 and middle plate 20, bottom plate 40 are made up of to the intermediate channel of cast-weld construction group weldering；
2) method sprayed by electric-arc thermal spray coating or powder metallurgy is recessed in 11 outer surface of baffle plush copper end, baffle
12 inner surface of head end, 31 outer surface of shovel board ledge plush copper end, 32 inner surface of shovel board ledge concave head end, the spraying of 40 surface of bottom plate are thicker
Wearing layer, in the upper surface, lower surface and side at middle plate boss end, the first wearing layer 21, upper table at middle plate concave station end are set
The second wearing layer 22 is arranged in face, lower surface and side, and third wearing layer 23 is arranged in the upper surface of middle plate delivery end, resistance to first
It grinds and transition wearing layer 24 is set between layer 21 or the second wearing layer 22 and third wearing layer 23；
3) intermediate channel with high-wear resistance is formed.
Module or unit in the device of that embodiment of the invention can be combined, divided and deleted according to actual needs.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and wants according to right of the present invention
Made equivalent variations is sought, is still belonged to the scope covered by the invention.
Claims (10)
1. a kind of high abrasion intermediate channel, it is characterised in that: including baffle, middle plate, shovel board ledge, bottom plate, the middle plate one
End is provided with baffle, and the middle plate other end is provided with shovel board ledge, and described bottom plate one end is provided with baffle, described
The bottom plate other end is provided with shovel board ledge, and the middle plate is arranged in parallel in the upper end of bottom plate, and the baffle, shovel board ledge are
Cast structure, the baffle, shovel board ledge and middle plate, bottom plate are made up of the intermediate channel of cast-weld construction, the gear group weldering
Board slot side is provided with baffle plush copper end, baffle concave head end, and baffle plush copper end outer surface is provided with wear-resisting
Layer, baffle concave head end inner surface are provided with wearing layer, and the shovel board ledge is provided with shovel board ledge plush copper end, shovel board
Ledge concave head end, the shovel board ledge plush copper end outer surface are provided with wearing layer, the shovel board ledge concave head end inner surface setting
There is wearing layer, the middle plate is provided with the first wearing layer, the second wearing layer, third wearing layer, and the backplate surface is provided with resistance to
Grind layer.
2. a kind of high abrasion intermediate channel as described in claim 1, it is characterised in that: the middle plate include middle plate boss end, in
Plate delivery end, middle plate concave station end, the middle plate boss end are set to middle plate along one end of mineral conveying direction, another for being arranged
The middle plate concave station end of intermediate channel, the middle plate concave station end are set to middle plate along the other end of mineral conveying direction, for being arranged separately
The middle plate boss end of one intermediate channel, so that the middle plate of intermediate channel is connected with the middle plate of another intermediate channel, the middle plate delivery end
It is set between plate boss end and middle plate concave station end.
3. a kind of high abrasion intermediate channel as claimed in claim 2, it is characterised in that: during the width at the middle plate concave station end is greater than
The width at plate boss end, so that middle plate concave station end forms gap after connecting with the middle plate boss end of another intermediate channel.
4. a kind of high abrasion intermediate channel as described in claim 1, it is characterised in that: it is convex that first wearing layer is set to middle plate
Upper surface, lower surface and the side of end, second wearing layer are set to the upper surface, lower surface and side at middle plate concave station end
Face, the third wearing layer are set to the upper surface of middle plate delivery end.
5. a kind of high abrasion intermediate channel as described in claim 1, it is characterised in that: described and the first wearing layer width is
10-30mm；The width of second wearing layer is 10-30mm.
6. a kind of high abrasion intermediate channel as described in claim 1, it is characterised in that: the wearing layer, the first wearing layer, second
Wearing layer with a thickness of 3-6mm, the third wearing layer with a thickness of 1-3mm.
7. a kind of high abrasion intermediate channel as described in claim 1 or 4 or 6, it is characterised in that: described on middle plate upper surface
Transition wearing layer is additionally provided between first wearing layer or the second wearing layer and third wearing layer, the transition wearing layer is in cambered surface
Setting, the height of transition wearing layer one end is identical as the height of the first wearing layer or the second wearing layer, and the transition is wear-resisting
The height of the layer other end is identical as the height of third wearing layer, so that the first wearing layer or the second wearing layer and third wearing layer phase
It is set to complete, smooth level.
8. a kind of high abrasion intermediate channel as described in claim 1, it is characterised in that: the baffle, shovel board ledge are by changing
It is made into type ZG30SiMn, the modified ZG30SiMn is that molybdenum element and niobium member are added on the basis of original ZG30SiMn
Element, the content of molybdenum element are 0.2~0.4%, and the content of niobium element is 0.03%~0.05%.
9. a kind of high abrasion intermediate channel as claimed in claim 1 or 7, it is characterised in that: the wearing layer, the first wearing layer,
Second wearing layer, third wearing layer, transition wearing layer prepare material be chromium carbide, austenitic steel, martensite steel mixture.
10. a kind of high abrasion intermediate channel as claimed in claim 1 or 7, it is characterised in that: the wearing layer, the first wearing layer,
Second wearing layer, third wearing layer, transition wearing layer the material for preparing can also be or mixtures thereof for one of chromium carbide, niobium carbide.
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| CN201811386547.4A CN109455474B (en) | 2018-11-20 | 2018-11-20 | High wear-resisting middle groove |
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| CN201811386547.4A CN109455474B (en) | 2018-11-20 | 2018-11-20 | High wear-resisting middle groove |
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|---|---|
| CN109455474B (en) | 2024-04-05 |
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